Function useRef

ui/tests/workspace.test.mjs:50–50

(initial)

      }];
    },
    useRef(initial) { const index = cursor++; slots[index] ??= { current: initial }; return slots[index]; },
    useCallback(callback, deps) {
      const index = cursor++;
      if (!same(slots[index]?.deps, deps)) slots[index] = { callback, deps };